Plenty of movie fans will be focused on the Oscars this weekend, but four new releases will draw big audiences before Sunday night’s show.

Bruce Willis and Mos Def star in the thriller 16 Blocks, which is poised to become the new No. 1 film at the box office. Opening in over 2,700 theaters, it should gross about $16 million?one for each block.

Last week’s top film, Madea’s Family Reunion, will see a 50 percent slip from its $30 million debut to $15 million, while the new comedy documentary Dave Chappelle’s Block Party, though playing in only 1,200 theaters, could very well crack the top three with a $14 million opening.

Also premiering this weekend is the new action drama Ultraviolet, starring Milla Jovovich. Though it hasn’t amassed much in the way of mainstream buzz, its built-in sci-fi fans should turn out in enough numbers for a $13 million debut.

The hit family drama Eight Below will gross another $11 million for fifth place, finishing ahead of the new mermaid movie, Aquamarine, which will have to settle for sixth.